Table 11. Power response and square root predictor transformations—countries with nonzero response—no DRCongo.
| USDF | UHDF | UWDF | ||||||
| Estimate | Pr(>|t|) | Estimate | Pr(>|t|) | Estimate | Pr(>|t|) | |||
| OIWS | 0.0658 | 0.11363 | OIWS | 0.0232 | 0.540183 | OIWS | 0.001 | 0.9818 |
| UWS | 0.1928 | 8.58E-05 | UWS | 0.1512 | 0.000655 | UWS | 0.2337 | 1.03E-05 |
| IS | -0.2723 | 6.67E-10 | IS | -0.1043 | 0.006905 | IS | -0.1277 | 0.0052 |
| FBH | -0.0673 | 0.00246 | FBH | -0.0699 | 0.000687 | FBH | -0.1252 | 5.22E-07 |
| HW | -0.1103 | 0.24939 | HW | -0.086 | 0.196898 | HW | -0.1368 | 0.0889 |
| Adjusted R-squared: 0.8533 | Adjusted R-squared: 0.7605 | Adjusted R-squared: 0.8029 | ||||||
| F = 117.3; p-value: < 2.20E-16 | F = 72.4; p-value: < 2.20E-16 | F = 91.9; p-value: < 2.20E-16 | ||||||
| Wand SDF | WSandHDF | |||||||
| Estimate | Pr(>|t|) | Estimate | Pr(>|t|) | |||||
| PWTP | -0.0867 | 0.148739 | PWTP | -0.1032 | 0.100637 | |||
| OIWS | 0.0115 | 0.804878 | OIWS | -0.0081 | 0.865419 | |||
| UWS | 0.2432 | 1.05E-05 | UWS | 0.2508 | 1.50E-05 | |||
| IS | -0.1832 | 0.000143 | IS | -0.1698 | 0.000774 | |||
| FBH | -0.104 | 4.67E-05 | FBH | -0.0812 | 0.002078 | |||
| HW | -0.139 | 0.09731 | HW | -0.1393 | 0.087664 | |||
| Adjusted R-squared: 0.816 | Adjusted R-squared: 0.7929 | |||||||
| F = 100.8; p-value: < 2.20E-16 | F = 88.4; p-value: < 2.20E-16 | |||||||